Month	US Dollars, monthly level
1991-01-01	398200000.00000000
1991-02-01	415000000.00000000
1991-03-01	380600000.00000000
1991-04-01	396000000.00000000
1991-05-01	436200000.00000000
1991-06-01	387200000.00000000
1991-07-01	529699999.99999994
1991-08-01	448400000.00000000
1991-09-01	446600000.00000000
1991-10-01	452700000.00000000
1991-11-01	357500000.00000000
1991-12-01	318900000.00000000
1992-01-01	336600000.00000000
1992-02-01	405100000.00000000
1992-03-01	533599999.99999994
1992-04-01	537500000.00000000
1992-05-01	509900000.00000000
1992-06-01	490600000.00000000
1992-07-01	547600000.00000000
1992-08-01	615800000.00000000
1992-09-01	666100000.00000000
1992-10-01	596500000.00000000
1992-11-01	628400000.00000000
1992-12-01	818200000.00000000
1993-01-01	592700000.00000000
1993-02-01	806900000.00000000
1993-03-01	940700000.00000000
1993-04-01	801700000.00000000
1993-05-01	850300000.00000000
1993-06-01	857200000.00000000
1993-07-01	842700000.00000000
1993-08-01	772900000.00000000
1993-09-01	789900000.00000000
1993-10-01	866400000.00000000
1993-11-01	872500000.00000000
1993-12-01	835400000.00000000
1994-01-01	785800000.00000000
1994-02-01	752600000.00000000
1994-03-01	925500000.00000000
1994-04-01	937000000.00000000
1994-05-01	992800000.00000000
1994-06-01	1006899999.99999990
1994-07-01	985300000.00000000
1994-08-01	1194000000.00000000
1994-09-01	1127800000.00000000
1994-10-01	1050200000.00000000
1994-11-01	1074100000.00000000
1994-12-01	1108800000.00000000
1995-01-01	936600000.00000000
1995-02-01	987100000.00000000
1995-03-01	1218100000.00000000
1995-04-01	1045900000.00000000
1995-05-01	1269500000.00000000
1995-06-01	1250900000.00000000
1995-07-01	1146000000.00000000
1995-08-01	1204200000.00000000
1995-09-01	1207600000.00000000
1995-10-01	1206300000.00000000
1995-11-01	1217700000.00000000
1995-12-01	1193500000.00000000
1996-01-01	1084100000.00000000
1996-02-01	1087900000.00000000
1996-03-01	1106400000.00000000
1996-04-01	1104800000.00000000
1996-05-01	1184400000.00000000
1996-06-01	1108200000.00000000
1996-07-01	1221200000.00000000
1996-08-01	1180900000.00000000
1996-09-01	1071100000.00000000
1996-10-01	1254100000.00000000
1996-11-01	1182300000.00000000
1996-12-01	1095200000.00000000
1997-01-01	1066300000.00000000
1997-02-01	1035099999.99999990
1997-03-01	1038899999.99999990
1997-04-01	1283600000.00000000
1997-05-01	1433200000.00000000
1997-06-01	1172500000.00000000
1997-07-01	1446100000.00000000
1997-08-01	1240000000.00000000
1997-09-01	1369400000.00000000
1997-10-01	1483600000.00000000
1997-11-01	1416100000.00000000
1997-12-01	1349400000.00000000
1998-01-01	1314100000.00000000
1998-02-01	1236900000.00000000
1998-03-01	1429500000.00000000
1998-04-01	1479300000.00000000
1998-05-01	1266500000.00000000
1998-06-01	1221400000.00000000
1998-07-01	1394800000.00000000
1998-08-01	1144800000.00000000
1998-09-01	1149000000.00000000
1998-10-01	995500000.00000000
1998-11-01	1069499999.99999990
1998-12-01	976100000.00000000
1999-01-01	779200000.00000000
1999-02-01	836500000.00000000
1999-03-01	895900000.00000000
1999-04-01	878400000.00000000
1999-05-01	786600000.00000000
1999-06-01	892900000.00000000
1999-07-01	903600000.00000000
1999-08-01	790500000.00000000
1999-09-01	895200000.00000000
1999-10-01	924300000.00000000
1999-11-01	1045099999.99999990
1999-12-01	1031199999.99999990
2000-01-01	836200000.00000000
2000-02-01	874700000.00000000
2000-03-01	1101300000.00000000
2000-04-01	874000000.00000000
2000-05-01	1099100000.00000000
2000-06-01	1049199999.99999990
2000-07-01	867400000.00000000
2000-08-01	1037600000.00000010
2000-09-01	976600000.00000000
2000-10-01	975500000.00000000
2000-11-01	1045400000.00000010
2000-12-01	1020000000.00000000
2001-01-01	961100000.00000000
2001-02-01	1086000000.00000000
2001-03-01	1121200000.00000000
2001-04-01	1149900000.00000000
2001-05-01	1134800000.00000000
2001-06-01	1068700000.00000000
2001-07-01	1053500000.00000010
2001-08-01	1085100000.00000000
2001-09-01	1056200000.00000000
2001-10-01	1030000000.00000000
2001-11-01	1083100000.00000000
2001-12-01	991100000.00000000
2002-01-01	949700000.00000000
2002-02-01	890700000.00000000
2002-03-01	885200000.00000000
2002-04-01	1186400000.00000000
2002-05-01	1153300000.00000000
2002-06-01	984600000.00000000
2002-07-01	1070900000.00000000
2002-08-01	1158400000.00000000
2002-09-01	1037500000.00000010
2002-10-01	1155000000.00000000
2002-11-01	1160500000.00000000
2002-12-01	1063199999.99999990
2003-01-01	1204800000.00000000
2003-02-01	1016600000.00000000
2003-03-01	1099000000.00000000
2003-04-01	1130000000.00000000
2003-05-01	1163700000.00000000
2003-06-01	1036000000.00000000
2003-07-01	1243100000.00000000
2003-08-01	1137500000.00000000
2003-09-01	1219100000.00000000
2003-10-01	1241300000.00000000
2003-11-01	1069499999.99999990
2003-12-01	1321100000.00000000
2004-01-01	1192300000.00000000
2004-02-01	1087400000.00000000
2004-03-01	1307500000.00000000
2004-04-01	1355300000.00000000
2004-05-01	1351700000.00000000
2004-06-01	1360200000.00000000
2004-07-01	1413200000.00000000
2004-08-01	1469700000.00000000
2004-09-01	1374300000.00000000
2004-10-01	1451100000.00000000
2004-11-01	1642400000.00000000
2004-12-01	1759200000.00000000
2005-01-01	1464100000.00000000
2005-02-01	1464500000.00000000
2005-03-01	1631200000.00000000
2005-04-01	1839800000.00000000
2005-05-01	1754700000.00000000
2005-06-01	1811900000.00000000
2005-07-01	1675300000.00000000
2005-08-01	1960600000.00000000
2005-09-01	1944200000.00000000
2005-10-01	1714100000.00000000
2005-11-01	1931300000.00000000
2005-12-01	2012500000.00000020
2006-01-01	1797400000.00000000
2006-02-01	1701800000.00000000
2006-03-01	2154000000.00000000
2006-04-01	1933700000.00000000
2006-05-01	2218000000.00000000
2006-06-01	2223800000.00000000
2006-07-01	2184600000.00000000
2006-08-01	2360900000.00000000
2006-09-01	2303900000.00000000
2006-10-01	2397500000.00000000
2006-11-01	2539500000.00000000
2006-12-01	2347400000.00000000
2007-01-01	2305800000.00000000
2007-02-01	2312600000.00000000
2007-03-01	2771400000.00000000
2007-04-01	2466400000.00000000
2007-05-01	2768200000.00000000
2007-06-01	2668800000.00000000
2007-07-01	2733800000.00000000
2007-08-01	2989800000.00000000
2007-09-01	2721700000.00000000
2007-10-01	3189100000.00000000
2007-11-01	3135300000.00000000
2007-12-01	2834200000.00000000
2008-01-01	2937100000.00000000
2008-02-01	3079000000.00000000
2008-03-01	2865900000.00000000
2008-04-01	3390200000.00000000
2008-05-01	3364300000.00000000
2008-06-01	3295200000.00000000
2008-07-01	3446600000.00000000
2008-08-01	3406400000.00000000
2008-09-01	3795300000.00000000
2008-10-01	3725000000.00000000
2008-11-01	3295400000.00000000
2008-12-01	3065500000.00000000
2009-01-01	2783400000.00000000
2009-02-01	2527200000.00000000
2009-03-01	2662200000.00000000
2009-04-01	2667600000.00000000
2009-05-01	2447600000.00000000
2009-06-01	2486000000.00000000
2009-07-01	3178300000.00000000
2009-08-01	2541800000.00000000
2009-09-01	2748800000.00000000
2009-10-01	2967000000.00000000
2009-11-01	2819900000.00000000
2009-12-01	3061200000.00000000
2010-01-01	2690400000.00000000
2010-02-01	2786800000.00000000
2010-03-01	3290900000.00000000
2010-04-01	3130300000.00000000
2010-05-01	3183600000.00000000
2010-06-01	3113800000.00000000
2010-07-01	3438000000.00000000
2010-08-01	3582600000.00000000
2010-09-01	3872400000.00000000
2010-10-01	3617800000.00000000
2010-11-01	3796100000.00000000
2010-12-01	3983000000.00000000
2011-01-01	3769100000.00000000
2011-02-01	3769000000.00000000
2011-03-01	4560000000.00000000
2011-04-01	4169500000.00000000
2011-05-01	4832100000.00000000
2011-06-01	4517800000.00000000
2011-07-01	4519300000.00000000
2011-08-01	4756800000.00000000
2011-09-01	4999300000.00000000
2011-10-01	4781000000.00000000
2011-11-01	5060500000.00000000
2011-12-01	4498100000.00000000
2012-01-01	4446100000.00000000
2012-02-01	4596000000.00000000
2012-03-01	5001500000.00000000
2012-04-01	4434400000.00000000
2012-05-01	5483600000.00000000
2012-06-01	5100200000.00000000
2012-07-01	5193900000.00000000
2012-08-01	5239200000.00000000
2012-09-01	4679100000.00000000
2012-10-01	5205800000.00000000
2012-11-01	5125500000.00000000
2012-12-01	4542300000.00000000
2013-01-01	5185100000.00000000
2013-02-01	4497500000.00000000
2013-03-01	4488100000.00000000
2013-04-01	5167100000.00000000
2013-05-01	5181300000.00000000
2013-06-01	4311100000.00000000
2013-07-01	5111800000.00000000
2013-08-01	4974900000.00000000
2013-09-01	5147700000.00000000
2013-10-01	5348200000.00000000
2013-11-01	5033100000.00000000
2013-12-01	4935200000.00000000
2014-01-01	4844100000.00000000
2014-02-01	5003500000.00000000
2014-03-01	4911900000.00000000
2014-04-01	5454800000.00000000
2014-05-01	5423400000.00000000
2014-06-01	4923500000.00000000
2014-07-01	6084200000.00000000
2014-08-01	4901900000.00000000
2014-09-01	5791300000.00000000
2014-10-01	5847100000.00000000
2014-11-01	5354300000.00000000
2014-12-01	5488800000.00000000
2015-01-01	4885000000.00000000
2015-02-01	4587100000.00000000
2015-03-01	4641200000.00000000
2015-04-01	4461200000.00000000
2015-05-01	4439600000.00000000
2015-06-01	4221199999.99999950
2015-07-01	4967800000.00000000
2015-08-01	4438300000.00000000
2015-09-01	4498400000.00000000
2015-10-01	4515400000.00000000
2015-11-01	4243000000.00000050
2015-12-01	4159400000.00000000
2016-01-01	3519600000.00000000
2016-02-01	3464200000.00000000
2016-03-01	3591900000.00000000
2016-04-01	3701200000.00000000
2016-05-01	3584400000.00000000
2016-06-01	3686200000.00000000
2016-07-01	3353700000.00000000
2016-08-01	4217100000.00000050
2016-09-01	3952700000.00000000
2016-10-01	3612600000.00000000
2016-11-01	4164799999.99999950
2016-12-01	4041100000.00000000
2017-01-01	3530200000.00000000
2017-02-01	3646800000.00000000
2017-03-01	4123199999.99999950
2017-04-01	4033299999.99999950
2017-05-01	3727500000.00000000
2017-06-01	3778800000.00000000
2017-07-01	3750200000.00000000
2017-08-01	4191099999.99999950
2017-09-01	3732600000.00000000
2017-10-01	3940300000.00000000
2017-11-01	3986300000.00000000
2017-12-01	3635500000.00000000
2018-01-01	3895900000.00000000
2018-02-01	3650600000.00000000
2018-03-01	3906100000.00000000
2018-04-01	4238299999.99999950
2018-05-01	4513300000.00000000
2018-06-01	4228399999.99999950
2018-07-01	4347400000.00000000
2018-08-01	4580000000.00000000